单项选择题

A．Because it’’s prohibited by the government.
B．Because it’’s more inefficient than other alternative fuels.
C．Because it will destroy the ozone.
D．Because it costs a lot to mass-produce.
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单项选择题
A．Because she was a black girl.B．Because she got the highest average in the class.C．Because she wanted to hit the chairman’’s wife.D．Because she refused to retake the exam.
A．Because she was a black girl.
B．Because she got the highest average in the class.
C．Because she wanted to hit the chairman’’s wife.
D．Because she refused to retake the exam.
单项选择题
A．It is awarded to the best film of the festival.B．It was introduced in 1959.C．It was introduced by a commercial organization.D．Only American directors have received this award.
A．It is awarded to the best film of the festival.
B．It was introduced in 1959.
C．It was introduced by a commercial organization.
D．Only American directors have received this award.
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